8 Change the sentences using Past Perfect. 1. People first talked over the telephone in 1876.
2. People first used electric light bulbs in 1860.
3. People first travelled to space in 1961.
4. People first listened to the radio in 1924.
5. People first watched TV in 1926.
6. People first played computer games in 1981.
7. People first drove cars in 1895.​

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